./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2f3c0ded3a6ea37e981661d4b4066d384875e4d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2f3c0ded3a6ea37e981661d4b4066d384875e4d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:42:59,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:59,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:59,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:59,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:59,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:59,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:59,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:59,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:59,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:59,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:59,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:59,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:59,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:59,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:59,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:59,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:59,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:59,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:59,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:59,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:59,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:59,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:59,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:59,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:59,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:59,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:59,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:59,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:59,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:59,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:59,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:59,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:59,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:59,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:59,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:59,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:59,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:59,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:59,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:59,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:59,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:59,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:59,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:59,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:59,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:59,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:59,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:59,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:59,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:59,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:59,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:59,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:59,655 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:59,657 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:59,657 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:59,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:59,658 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:59,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:59,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:59,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:59,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:59,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:59,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:59,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:59,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:59,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:59,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:59,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:59,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f3c0ded3a6ea37e981661d4b4066d384875e4d [2019-11-27 17:43:00,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:00,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:00,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:00,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:00,300 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:00,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2019-11-27 17:43:00,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e394d1649/f63f1165eab54293b93f1d8e14f038ac/FLAG4fa5d4a46 [2019-11-27 17:43:01,709 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:01,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2019-11-27 17:43:01,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e394d1649/f63f1165eab54293b93f1d8e14f038ac/FLAG4fa5d4a46 [2019-11-27 17:43:01,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e394d1649/f63f1165eab54293b93f1d8e14f038ac [2019-11-27 17:43:01,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:01,810 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:01,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:01,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:01,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:01,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:01" (1/1) ... [2019-11-27 17:43:01,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:01, skipping insertion in model container [2019-11-27 17:43:01,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:01" (1/1) ... [2019-11-27 17:43:01,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:01,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:02,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:02,876 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:02,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,110 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:03,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03 WrapperNode [2019-11-27 17:43:03,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:03,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:03,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:03,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,305 INFO L168 Benchmark]: Toolchain (without parser) took 1486.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,308 INFO L168 Benchmark]: CDTParser took 3.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:03,313 INFO L168 Benchmark]: Boogie Preprocessor took 178.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1299.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:07,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:07,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:07,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:07,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:07,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:07,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:07,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:07,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:07,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:07,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:07,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:07,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:07,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:07,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:07,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:07,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:07,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:07,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:07,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:07,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:07,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:07,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:07,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:07,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:07,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:07,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:07,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:07,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:07,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:07,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:07,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:07,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:07,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:07,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:07,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:07,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:07,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:07,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:07,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:07,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:07,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:07,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:07,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:07,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:07,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:07,387 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:07,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:07,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:07,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:07,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:07,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:07,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:07,392 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:07,392 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:07,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:07,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:07,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:07,395 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:07,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:07,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:07,397 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:07,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:07,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:07,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:07,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:07,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:07,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:07,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:07,404 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:07,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:07,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:07,406 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f3c0ded3a6ea37e981661d4b4066d384875e4d [2019-11-27 17:43:07,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:08,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:08,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:08,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:08,048 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:08,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2019-11-27 17:43:08,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e994d7752/e214f807561f4f53a57f8458d3478554/FLAG3f0149f28 [2019-11-27 17:43:09,323 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:09,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2019-11-27 17:43:09,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e994d7752/e214f807561f4f53a57f8458d3478554/FLAG3f0149f28 [2019-11-27 17:43:09,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e994d7752/e214f807561f4f53a57f8458d3478554 [2019-11-27 17:43:09,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:09,417 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:09,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:09,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:09,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:09,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:09, skipping insertion in model container [2019-11-27 17:43:09,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:09,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:10,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:10,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:10,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:10,753 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:10,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10 WrapperNode [2019-11-27 17:43:10,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:10,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:10,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:10,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:10,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:10,961 INFO L168 Benchmark]: Toolchain (without parser) took 1541.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:10,962 INFO L168 Benchmark]: CDTParser took 3.14 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:10,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1333.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:10,971 INFO L168 Benchmark]: Boogie Preprocessor took 199.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:10,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.14 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1333.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 199.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...